Partial lever portion of a dental handpiece



FIG. 1 is a front view of the partial lever portion of a dental handpiece;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a partial lever portion of a dental handpiece, as shown and described. 